Table 2.

Predictors of all-cause in-hospital mortality (multivariable logistic analysis)

Potential predictors	OR (95% CI), p value
	AGH (n=508)	NRS (n=302)	UHCW (n=842)
Demographic variables
Age (years)/5*	1.04 (0.89 to 1.21), 0.646	1.13 (0.95 to 1.36), 0.167	1.13 (1.00 to 1.27), 0.057
Female gender	0.57 (0.25 to 1.30), 0.180	0.71 (0.28 to 1.84), 0.488	1.07 (0.63 to 1.83), 0.799
Medical history
Number of comorbidities
2–8  ≤1†	0.43 (0.19 to 0.99), 0.047	2.08 (0.81 to 5.34), 0.130	0.92 (0.54 to 1.57), 0.760
Presenting patient characteristics
Breathlessness:
At rest or minimal activity  No marked limitation†	1.25 (0.51 to 3.05), 0.631	0.76 (0.24 to 2.42), 0.646	1.46 (0.78 to 2.73), 0.232
Peripheral oedema:
Severe  Moderate  Mild  No†	6.26 (0.98 to 40.1), 0.053 1.56 (0.64 to 3.84), 0.330 4.74 (1.67 to 13.46), 0.004	2.08 (0.44 to 9.90), 0.357 0.49 (0.15 to 1.62), 0.244 0.55 (0.18 to 1.71), 0.300	2.34 (0.92 to 5.94), 0.075 1.60 (0.66 to 3.87), 0.294 0.80 (0.29 to 2.20), 0.665
Heart rate/5*	0.99 (0.91 to 1.07), 0.749	1.01 (0.94 to 1.09), 0.704	1.04 (0.97 to 1.11), 0.235
Systolic blood pressure/5*	0.89 (0.84 to 0.95),<0.001	0.78 (0.70 to 0.87),<0.001	0.92 (0.88 to 0.97), 0.003
Clinical and organisational care
Device therapy	0.22 (0.05 to 1.00), 0.051	0.19 (0.01 to 2.78), 0.224	0.58 (0.20 to 1.68), 0.314
Main place of care:
CCU/ICU  ward†	4.34 (0.52 to 36.24), 0.176	5.07 (1.42 to 18.08), 0.013	0.43 (0.16 to 1.16), 0.096
Specialist:
Cardiologist  Specialist HF nurse  Non-cardiologist†	1.04 (0.35 to 3.04), 0.948 N/A	Not included in model since >99% patients cared by a cardiologist	0.66 (0.22 to 1.93), 0.442 0.99 (0.49 to 1.97), 0.967

*OR is per increase of five units.

†Reference category.

AGH, Apollo Gleneagles Hospital; CCU, coronary care unit; HF, heart failure; ICU, intensive care unit; N/A, not available; NRS, Nil Ratan Sircar hospital; UHCW, University Hospitals Coventry and Warwickshire.